✦ LIBER ✦

The cycling behavior of the lithium electrode in LiAsF6/methyl acetate solutions

✍ Scribed by F.W. Dampier; S.B. Brummer

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 732 KB
Volume: 22
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(77)85140-2

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✦ Synopsis

Altatrac

-The cycling behavior of the Li electrode in LiAsF, and LiClO,/methyl acetate electrolytes has been investigated. Coulometric cycling results, both with and without the additive SO1, show that the highest efficiencies (>9@!J are obtained using 1.0 M LiAsFJMA as the electrolyte. Among the substrates tested Ni z=-Cu S-Al. Current density has little effect in the range l-lOOmA/cm'. Stripping at low cds (0.5mA/cm') gives lower Li recovery. Charge retention data for the Li electrode over 26 days indicate that the LiAsF,/MA electrolyte is superior to any other reported so far. The major problem encountered with the Li electrode during cycling in LiAsF&4A was the extremely limited cycle life. For 0.8 C/cm2 deposits, only about 12 cycles could be obtained before the efficiency fell from over 93% to below WA. A discussion of the related problems of limited cycle life and dendrite formation is presented.

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